| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [is] it [adj] [noun sg] | 10 |
|
| 2 | why is it [adj] [noun sg] | 10 |
|
| 3 | why [is] it [det] [noun sg] | 9 |
|
| 4 | why [is] it that [noun sg] | 7 |
|
| 5 | why [is] it that [noun sg] | 7 |
|
